--- title: "Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (475W) 475W Solar Panel - Specs & Review | ComparePV" description: "Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (475W) 475W solar panel. Specs: 23.77% efficiency, Monocrystalline cells." source: "https://comparepv.com/panel/jinkosolar-jkm450-475n-48hl4m-db-z2-en-475w" updated: 2026-09-11 --- # Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (475W) Space saver, no clear weak spot 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Jinko Solar - **Model:** JKM450-475N-48HL4M-DB-Z2-EN (475W) - **Series:** Tiger Neo 48HL4M-DB (All Black mono-facial with dual glass) - **Rated power:** 475 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 475 W | 465 W | Typical | | | Module efficiency | 23.77% | 22.52% | Strong - top 4% | 499 | | Power density | 237.7 | 225.2 | Strong - top 3% | 467 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 24.0 kg | 24.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.77% | 22.52% | Strong - top 4% | 499 | | Power density | 237.7 | 225.2 | Strong - top 3% | 467 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 50.5 | 52.2 | Typical | 3,892 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **237.7 watts per square metre** - Top 3% of the TOPCon 450-500 W segment, against a median of 225.2. Ranked 467th in the whole database. - **23.77% module efficiency** - Top 4% of the TOPCon 450-500 W segment, against a median of 22.52%. Ranked 499th in the whole database. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 475 W - **Efficiency:** 23.77 % - **Voltage at Pmax (Vmp):** 31.40 V - **Current at Pmax (Imp):** 15.13 A - **Open-circuit voltage (Voc):** 36.91 V - **Short-circuit current (Isc):** 15.91 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 96 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 24.0 kg - **Area:** 2.00 m2 - **Power density:** 237.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 415 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 499 of 14005 | | Power density | 467 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 3892 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon: minimal degradation** - N-type TOPCon cells guarantee linear power degradation of 0.40%/yr versus 0.55–0.70% typical for P-type PERC modules, with near-zero LID and LeTID in early years of operation. For a 10 kWp system, this translates into several hundred kWh of additional cumulative energy yield over the module's lifetime compared to legacy technologies. - **30-year linear power warranty** - Jinko guarantees ≥87.4% of rated power after 30 years at 0.40%/yr degradation, surpassing the standard 25-year warranties of older P-type series. For a 10 kWp residential system, this represents approximately 130–150 kWh/yr of additional generation in the final years compared to panels degrading at 0.55%/yr. - **Dual glass: superior mechanical durability** - 2.0 mm tempered front glass and 2.0 mm heat-strengthened rear glass deliver 6,000 Pa front / 4,000 Pa rear static load resistance and tested resistance to moisture ingress and microcracks. This is especially relevant in the Polish climate, characterized by wide seasonal temperature swings and high humidity. - **All Black 48-cell: aesthetics and efficiency** - The 1762×1134 mm module with full-black frame, cells, and rear glass reaches up to 23.77% efficiency via SMBB and HOT 3.0 technology, maximizing energy harvest from limited roof space while maintaining a seamless dark appearance — critical for pitched roofs, carports, and installations where aesthetics are a priority. - **BNEF Tier-1: warranty security** - Jinko Solar has maintained uninterrupted BNEF Tier-1 bankability status and ranks in the global top-2 manufacturers with approximately 120 GW of annual production capacity (Q4 2025, SEC 6-K filing). This minimizes the risk of losing warranty coverage due to manufacturer insolvency — critical over a 25–30-year warranty horizon. ## Cons - **Weight ~24 kg (dual glass)** - The double-glass construction increases module weight to approximately 24 kg, versus 19–21 kg for comparable all-black backsheet modules in 48-cell format. On roofs with limited load capacity this may require reinforced racking, and the added weight increases installation labor and complicates single-person handling. ## About this series The Jinko Solar Tiger Neo 48HL4M-DB (All Black mono-facial with dual glass) was designed for maximum yield from the same rooftop surface, without compromising aesthetics. The modules utilize **N-type TOPCon cells**, which minimize typical initial losses and better capture energy in low-light conditions - a tangible benefit in Polish conditions, especially during autumn and winter, as well as frequent cloudiness. Additionally, the **HOT 3.0** technology supports stable performance and high parameter repeatability over the long term. A key differentiator compared to many competitive panels is the **dual glass construction** - glass on both sides improves resistance to micro-cracks, moisture, and temperature fluctuations, which is appreciated by installations facing more challenging conditions. The entire design is complemented by **All Black**, ideal for modern roofs and investments where appearance matters. This is an excellent choice for homes, carports, and commercial roofs, where reliability, high yield, and long-term durability are key. ## Notable figures - Efficiency of 23.8% is 1.2pp above the \*\*TOPCon 450-500W\*\* median (22.5%) - At 237.7 W/m² power density, this panel generates 12.5 W/m² more per unit area than \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - #499 for efficiency, #2165 for temperature performance out of 14005 panels ## Questions ### What does the dual glass design mean in the Jinko Tiger Neo 48HL4M-DB series, and why does it matter? Dual glass means the module uses glass on both sides — 2.0 mm anti-reflection coated front glass and 2.0 mm heat-strengthened rear glass — instead of a traditional polymer backsheet. This design significantly improves resistance to microcracking, moisture ingress, and thermal cycling. In practice, it translates to a longer service life and lower degradation risk under harsh weather conditions, making it a strong choice for rooftop and carport installations exposed to frost, heavy rain, and large temperature swings. ### What warranty does the Jinko Solar Tiger Neo 48HL4M-DB come with? Jinko Solar provides a 25-year product warranty covering material and workmanship defects, plus a 30-year linear power warranty with an annual degradation rate of just 0.40%. This means the panel should retain at least 87.4% of its rated output after 30 years of operation. Jinko Solar holds Tier 1 manufacturer status, which adds credibility to these long-term warranty commitments. ### Do Jinko Tiger Neo 48HL4M-DB panels produce power on cloudy days and in winter? Yes. The N-type TOPCon cells used in the 48HL4M-DB series deliver superior low-light performance compared to older PERC technology. The temperature coefficient of just -0.29%/°C means the panel loses less power on hot sunny days and handles diffuse light more effectively during overcast autumn and winter conditions. This is a tangible advantage in climates with frequent cloud cover and limited winter irradiance. ### Are the Jinko Tiger Neo 48HL4M-DB All Black panels suitable for a sloped roof? Yes, the fully black 48HL4M-DB series — black frame, black backsheet, and black cells — is widely used on sloped residential roofs where aesthetics matter. The modules withstand front static loads up to 6,000 Pa, meeting requirements even under heavy snowfall. They are compatible with most standard racking systems designed for pitched roofs, and the maximum power of 475 Wp helps maximize energy harvest from the available roof footprint. ### Is the Jinko Tiger Neo 48HL4M-DB a bifacial panel — does it collect energy from both sides? No. Despite its dual glass construction, the 48HL4M-DB is a monofacial module — solar energy is collected from the front side only. The rear glass serves a purely protective role, improving durability, moisture resistance, and mechanical strength, but it does not generate additional power from reflected albedo light. If bifacial energy gain is a priority for your project, Jinko Solar offers separate series with BF or DV designations. ### What efficiency and maximum power output does the Jinko Tiger Neo 48HL4M-DB series offer? The Tiger Neo 48HL4M-DB series achieves a module efficiency of up to 23.77% — one of the highest figures available for 48-cell format panels currently on the market. Maximum power output in this series reaches 475 Wp. The HOT 3.0 technology supports stable long-term parameter consistency. This high efficiency allows more energy harvest from the same roof footprint compared to older PERC modules, which is critical wherever mounting space is limited. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/jkm450-475n-48hl4m-db-z2-en-b31d022341ab.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +35 W, cooler, +1.2 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +1.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +30 W, cooler, +0.9 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +0.7 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +25 W, cooler, +0.7 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +0.7 pp | | [Jinko Solar JKM420N-54HL4R-BDV](https://comparepv.com/panel/jinko-solar-jkm420n-54hl4r-bdv) | 420 W | -55 W, lighter, -2.8 pp | | [Jinko Solar EU-JKM425-450N-54HL4R-BDB-G4 (425W class)](https://comparepv.com/panel/jinko-solar-eu-jkm425-450n-54hl4r-bdb-g4-425w-class) | 425 W | -50 W, -2.5 pp | | [Jinko Solar JKM430-455N-54HL4R-B-F8-EN (430W)](https://comparepv.com/panel/jinko-solar-co-ltd-jkm430-455n-54hl4r-b-f8-en-430w) | 430 W | -45 W, lighter, -2.2 pp | --- Source: https://comparepv.com/panel/jinkosolar-jkm450-475n-48hl4m-db-z2-en-475w Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.